NFC Xiaomi Redmi 8 Pro: a complete guide to features and configuration

If you are the owner of Xiaomi Redmi 8 Pro and noticed in the characteristics mention of support NFC, But you don't really understand what it is or how to use it -- you're not alone. Many users know that this technology exists, but they rarely use it in their daily lives, NFC It opens access to convenient functions: from contactless payments to smart home automation.

In this article, we will explain in detail what is NFC-The module in the Redmi 8 Pro, how it works at the technical level, what tasks it solves, and most importantly, how to set it up correctly, you will learn about the hidden features of the chip, which the manufacturer does not always advertise, as well as about typical errors in use. The material will be useful to both beginners and experienced users who want to unleash the full potential of their smartphone.

What is NFC and why you need it in a smartphone

NFC (Near Field Communication is a short-range wireless communication technology (up to 10 cm) that allows devices to communicate without an internet connection, NFC consumes a minimum amount of energy and is activated almost instantly – just hold the smartphone to another device or tag.

Xiaomi Redmi 8 Pro NFC-The chip is built into the top of the case (usually next to the camera) and operates at 13.56 MHz. This is the standard range for most contactless systems, including bank cards, transport tickets and electronic locks. The main advantage of the technology is compatibility with infrastructure that is already deployed around the world: from payment terminals to turnstiles in the subway.

• 💳 Contactless payments – payment for goods and services through Google Pay, Mi Pay or banking applications.
• 🚇 Transport cards – emulation of tickets (for example, “Troika” in Moscow or “Porodrodnik” in Minsk).
• 🔑 Smart home – control locks, lamps and other devices through tags.
• 📱 Fast data transfer – exchange of contacts, links or files between smartphones.

It is important to understand that NFC Redmi 8 Pro does not replace Bluetooth or Wi-Fi Direct, but complements them. For example, to transfer a large file (video or archive), it is still more convenient to use Wi-Fi, and the Internet is not a big problem. NFC Suitable for sending small data instantly – like a business card or a Wi-Fi password.

Technical specifications NFC Xiaomi Redmi 8 Pro

NFC-Redmi 8 Pro module is based on a chip NXP PN54T — It's one of the most common mobile devices, and it supports all the basic standards of contactless communication:

• 📶 ISO/IEC 14443 Type A/B — standard for bank cards and transport applications.
• 🔄 ISO/IEC 18092 (NFCIP-1) — Protocol for data exchange between devices (for example, Android Beam).
• 🔒 MIFARE Classic/Ultralight — Support for Automation and Access Control Labels.

Data transfer speed through NFC The Redmi 8 Pro is up to 424 kbps, which is enough to transfer text information or small files (up to 1-2 MB.

One of the key points is energy consumption. NFC-The Redmi 8 Pro chip consumes everything. ~15 mA in active mode, which is 10-20 times less than Bluetooth, which means that even with frequent use, the technology will not affect the battery life of the smartphone.

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If NFC It doesn't turn on, check if it's turned off in the battery saving settings. → Battery → Battery mode and select Performance instead of Saving".

How to turn on and set up NFC Xiaomi Redmi 8 Pro

By default. NFC Redmi 8 Pro is disabled to save battery life. To activate the module, follow the following steps:

1. Open Settings (the gear icon on the main screen).
2. Go to Connections and Sharing (or Wireless Networks depending on the version of MIUI).
3. Slip on NFC.
4. Move the slider to the on position.

After turning on, you will see additional options:

• 💳 Contactless payments – activation for Google Pay or Mi Pay.
• 🔄 Android Beam – transferring data between devices (requires support on both smartphones).
• 🔍 Label reading - scanning NFC-tag.

For convenience, a label can be added. NFC I'm going to go to the quick setup panel:

1. Swipe down from the top edge of the screen to open the notification curtain.
2. Slip on the pencil icon (Edit).
3. Find the NFC tile and drag it to the active area.

Whether it's on NFC customized?|Is there a badge? NFC notification-bar?|Is the smartphone close to the label / terminal (no further than 5 cm)?|Does the second device support the same standard (e.g., the same standard, ISO 14443)?-->

If the NFC does not work after switching on, check:

• 🔋 Is the battery not discharged (at a charge level below 5%, some functions are automatically turned off).
• 🛠️ Is there any physical damage to the antenna area (upper body).
• 📱 Is the firmware updated to the latest version? MIUI (In the old versions there were bugs with NFC).

Contactless payments through NFC: Google Pay and Mi Pay

One of the most sought after functions NFC — In Xiaomi Redmi 8 Pro, you can use two main services: Google Pay (international standard) and Mi Pay (development of Xiaomi for China and some regions).

To set up Google Pay:

1. Download the Google Pay app from the Play Market.
2. Add a bank card that supports contactless payments (Visa/Mastercard logo PayPass/PayWave).
3. Confirm the card via SMS or bank application.
4. In the settings NFC Turn on Contactless Payments and select Google Pay as the default app.

For payment, it is enough:

1. Unlock your smartphone (PIN, fingerprint or Face ID).
2. Bring the top of the Redmi 8 Pro to the terminal at a distance of 2-3 cm.
3. Wait for a sound signal or vibration – the payment will be automatically.

⚠️ Some banks block contactless payments through the NFC, If your smartphone is unlocked (rutovan) or has unofficial firmware installed on it, check this point in your bank support before setting up.

Mi Pay works similarly, but supports fewer banks (mainly Chinese and some Asian), Google Pay is more relevant for Russia and the CIS. It is also worth noting that Redmi 8 Pro does not support Samsung Pay or Apple Pay - these services are tied to ecosystems of other brands.

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For successful payment through NFC The terminal must maintain the standard EMV (If the payment doesn't pass, try to bring the card - if it works, the problem is the settings of the smartphone.

Use of the NFC for transport: tickets and tickets

In Xiaomi Redmi 8 Pro, you can emulate transport cards if your city supports this feature. NFC-Smartphone can replace the card "Troika", in St. Petersburg - "Poprodnik", in Minsk - "Pattern of the resident".

To set up the transport card:

1. Make sure your city supports the fare through NFC (The list can be found on the local transport website).
2. Download the official application (for example, Metro Moscow or Minsktrans).
3. Link the virtual card to your account and top up the balance.
4. In the settings NFC Select the default application for transport.

For the ride:

• Unlock your smartphone (you don’t have to open the app).
• Bring the top of the Redmi 8 Pro to the turnstile reader.
• Wait for the beep or the green light.

⚠️ Note: In some regions (for example, in Moscow) for payment of travel through the NFC separate SIM-card with support for the transport application (for example, "World" or special tariffs from operators). SIM-A map without a transport chip will not work.

If the virtual card does not work:

• 📱 Check what's in the settings. NFC The right app is selected (not Google Pay, but the right one).
• 🔄 Reboot your smartphone – sometimes it helps to reset temporary data.
• 💳 Make sure your card balance is positive (in some cities, a negative balance blocks travel).

List of cities in Russia and CIS, where payment for travel through the NFC:

• 🇷🇺 Moscow, St. Petersburg, Kazan, Nizhny Novgorod, Yekaterinburg.
• 🇧🇾 Minsk (Planet Card").
• 🇰🇿 Almaty, Nur-Sultan (Map "Onai").
• 🇺🇦 Kyiv, Kharkiv (partial support through bank applications).

NFC-Labels and Automation: How to Simplify Everyday Tasks

NFC-Labels are small chips that you can program to do certain things when you approach a smartphone, for example, you can set a tag on your bedside table so that when you touch the Redmi 8 Pro, you automatically touch it:

• 📵 Night mode's on.
• 🔕 The sound went off.
• 🎵 A sleep playlist was launched.

To work with labels will need:

1. Buy NFC-tags (cost from 50 to 300 rubles apiece, sold on AliExpress or in electronics stores).
2. Download a programming application, for example: NFC Tools (a simple interface for beginners), Trigger (advanced automation scenarios), Automate (to create complex chains of action).

Example of setting up a tag to start Wi-Fi:

1. Open NFC Tools and select Write.
2. Tap Add a record → Wi-Fi.
3. Enter the network name and password.
4. Put the tag on your smartphone to record.

Now, when you touch the tag, Redmi 8 Pro will automatically connect to the specified network.

⚠️ Note: Some tags have limited memory (e.g, MIFARE Ultralight only stores 64 bytes. For complex scenarios, choose high-volume tags, such as: NTAG216 (888 bytes).

Other useful use cases NFC-marker:

• 🚗 Car: A tag in the car can start the navigator and turn on the Bluetooth headset.
• 🏠 Home: Door tag turns off Wi-Fi and mobile data when you exit.
• 💼 Work: Tag on the table includes silent mode and opens working applications.

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If the tag stops working, try rewriting it, sometimes the data gets damaged by external interference (for example, if the tag was next to the magnet).

Frequent problems with NFC Xiaomi Redmi 8 Pro and its solutions

Despite the reliability of the technology, users of Redmi 8 Pro sometimes face problems when working with the Internet. NFC. Let’s look at typical situations and ways to eliminate them.

1. NFC does not turn on or immediately shut down

• 🔋 Check the battery power – at a level below 5%, the module can be locked.
• 🛠️ Update. MIUI Up to the latest version (the old firmware had bugs with the NFC).
• 🔄 Reset network settings: Settings → System system → Resetting settings → Resetting network settings.

2 Contactless payments do not work

• 💳 Make sure your bank card is added to Google Pay and activated.
• 📱 Check that Google Pay is selected as the default app in the settings NFC.
• 🔒 If the smartphone is rooted, some banks block payments - a rollback to stock firmware is required.

3. Not readable. NFC-marker

• 📍 Bring the smartphone to the top of the tag (where the antenna is located).
• 🔄 Try overwriting the tag - it may be that the data is damaged.
• 🛡️ Turn off metal covers – they can shield the signal.

4. fare is not working

• 🚇 Make sure your city supports payment through NFC (list see above).
• 📱 Check what's in the settings. NFC The app is selected, not Google Pay.
• 💳 If special needs are required SIM-Please contact the operator for a replacement.

If none of these methods worked, there may be a hardware problem, in which case it is recommended to contact the Xiaomi service center for diagnostics. NFC-module.

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Before contacting the service, check if it works. NFC To do this, reboot your smartphone with the power button pressed and select "Safe Mode." NFC earned - a problem in a third-party application.

FAQ: Answers to Frequent Questions about NFC Xiaomi Redmi 8 Pro